diff options
Diffstat (limited to 'man/systemd.unit.xml')
| -rw-r--r-- | man/systemd.unit.xml | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml index 005fdea73c..19a6db7f65 100644 --- a/man/systemd.unit.xml +++ b/man/systemd.unit.xml @@ -923,6 +923,7 @@ <term><varname>ConditionVirtualization=</varname></term> <term><varname>ConditionHost=</varname></term> <term><varname>ConditionKernelCommandLine=</varname></term> + <term><varname>ConditionKernelVersion=</varname></term> <term><varname>ConditionSecurity=</varname></term> <term><varname>ConditionCapability=</varname></term> <term><varname>ConditionACPower=</varname></term> @@ -1050,6 +1051,17 @@ the exact assignment is looked for with right and left hand side matching.</para> + <para><varname>ConditionKernelVersion=</varname> may be used to check whether the kernel version (as reported + by <command>uname -r</command>) matches a certain expression (or if prefixed with the exclamation mark does not + match it). The argument must be a single string. If the string starts with one of <literal><</literal>, + <literal><=</literal>, <literal>=</literal>, <literal>>=</literal>, <literal>></literal> a relative + version comparison is done, otherwise the specified string is matched with shell-style globs.</para> + + <para>Note that using the kernel version string is an unreliable way to determine which features are supported + by a kernel, because of the widespread practice of backporting drivers, features, and fixes from newer upstream + kernels into older versions provided by distributions. Hence, this check is inherently unportable and should + not be used for units which may be used on different distributions.</para> + <para><varname>ConditionSecurity=</varname> may be used to check whether the given security module is enabled on the system. Currently, the recognized values are @@ -1201,6 +1213,7 @@ <term><varname>AssertVirtualization=</varname></term> <term><varname>AssertHost=</varname></term> <term><varname>AssertKernelCommandLine=</varname></term> + <term><varname>AssertKernelVersion=</varname></term> <term><varname>AssertSecurity=</varname></term> <term><varname>AssertCapability=</varname></term> <term><varname>AssertACPower=</varname></term> |